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Thu, 10 Oct 2024 11:06:38 -0700 (PDT) Received: from [127.0.1.1] ([178.197.211.167]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a99a80c1b8asm119757966b.116.2024.10.10.11.06.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Oct 2024 11:06:37 -0700 (PDT) From: Krzysztof Kozlowski Date: Thu, 10 Oct 2024 20:06:19 +0200 Subject: [PATCH v4 3/6] thermal: of: Use scoped device node handling to simplify of_thermal_zone_find() Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241010-b4-cleanup-h-of-node-put-thermal-v4-3-bfbe29ad81f4@linaro.org> References: <20241010-b4-cleanup-h-of-node-put-thermal-v4-0-bfbe29ad81f4@linaro.org> In-Reply-To: <20241010-b4-cleanup-h-of-node-put-thermal-v4-0-bfbe29ad81f4@linaro.org> To: "Rafael J. Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Amit Kucheria , Thara Gopinath , Thierry Reding , Jonathan Hunter , Vasily Khoruzhick , Yangtao Li , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, Chen-Yu Tsai , Jonathan Cameron , Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2293; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=IKkYyEEUqBTCZShccEeitn/IT5/XA0WevxOw6lxgVCI=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBnCBehPUvBEauTEbyosFo9Xwu1uK9auHaT6zB9A VFMj1hVK7qJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCZwgXoQAKCRDBN2bmhouD 1zQqD/4qvqH3gUy07CdQwQksDO1VwmECOuVXL8ucYoDSkfJ7iXfUWjIwVueTMozOgXG5ffgbbdh n0/UPMG13ETnJ8NHsDtPuqB08OQnf4G2RzZuTzqYvEOD/3aDQjpNLXYneuw3oWDhiIJ1po/jPoH hl65pj944m0cx7/B9hEHLRirR5BFuBvs6US40buZ1Dn60LcaLXb7OIWt6A+d8V+Ad2HOUC5rzjA YcVdtW8FmRcIy/6Tj8sqP0h3IBzAkFNE8rVCh0avCTYWFxLqd0FsrmlGKgqmSo3Z6ix7rH4hwNG JNq1kXjmrLBghMxb0m2IXA+XGhd9czJnH+CQypj/AHN0VLz49eMxBxelC+PoWRbbnhmB8oGhZZ7 YTad7W1uGdR+kgHTfRpUwCzwSp70/AuyL5LzEo6YEX/UUCWqkivt6jvLTdL9vZKAKyyhxewh9JI XYkw8CYFFCp6ByuF4P5C86814J7wEX3x4faqcWIIo+KjUwC/2TZzdZJwrgcUJKOZy478DnqSEzp Jtm31R4QnRfz6xzkEfDlChFJDlWZiM4qibx9q+b90Cm5K1erObf+JEX5Aiavwv3FHio103gxUk2 DMgQUXr9gpJMNcDQeXjTC93WlJUwttKVw02K0N0HYMu+KfwMaQBCtzU5XtDtNcuIb0W6Q0SQi3o 6WsRYwn/NCW/aOw== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Obtain the device node reference with scoped/cleanup.h to reduce error handling and make the code a bit simpler. Reviewed-by: Chen-Yu Tsai Reviewed-by: Jonathan Cameron Signed-off-by: Krzysztof Kozlowski --- drivers/thermal/thermal_of.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c index 37db435b54b124abf25b1d75d6cc4fb75f1c1e5c..66514120f460940ed7cfba791140c958b99e056e 100644 --- a/drivers/thermal/thermal_of.c +++ b/drivers/thermal/thermal_of.c @@ -127,10 +127,9 @@ static struct thermal_trip *thermal_of_trips_init(struct device_node *np, int *n static struct device_node *of_thermal_zone_find(struct device_node *sensor, int id) { - struct device_node *np, *tz; struct of_phandle_args sensor_specs; - np = of_find_node_by_name(NULL, "thermal-zones"); + struct device_node *np __free(device_node) = of_find_node_by_name(NULL, "thermal-zones"); if (!np) { pr_debug("No thermal zones description\n"); return ERR_PTR(-ENODEV); @@ -148,8 +147,7 @@ static struct device_node *of_thermal_zone_find(struct device_node *sensor, int "#thermal-sensor-cells"); if (count <= 0) { pr_err("%pOFn: missing thermal sensor\n", child); - tz = ERR_PTR(-EINVAL); - goto out; + return ERR_PTR(-EINVAL); } for (i = 0; i < count; i++) { @@ -161,22 +159,18 @@ static struct device_node *of_thermal_zone_find(struct device_node *sensor, int i, &sensor_specs); if (ret < 0) { pr_err("%pOFn: Failed to read thermal-sensors cells: %d\n", child, ret); - tz = ERR_PTR(ret); - goto out; + return ERR_PTR(ret); } if ((sensor == sensor_specs.np) && id == (sensor_specs.args_count ? sensor_specs.args[0] : 0)) { pr_debug("sensor %pOFn id=%d belongs to %pOFn\n", sensor, id, child); - tz = no_free_ptr(child); - goto out; + return no_free_ptr(child); } } } - tz = ERR_PTR(-ENODEV); -out: - of_node_put(np); - return tz; + + return ERR_PTR(-ENODEV); } static int thermal_of_monitor_init(struct device_node *np, int *delay, int *pdelay)